CAS 20765-98-4 Rhodium(III) chloride hydrate

Synonyms

Rhodium(III) chloride xhydrate

Molecular Weight

263.31

Molecular Formula

Cl3Rh x n H2O

Canonical SMILES

O.Cl[Rh](Cl)Cl

InChI

1S/3ClH.H2O.Rh/h3*1H;1H2;/q;;;;+3/p-3

InChI Key

HSSMNYDDDSNUKH-UHFFFAOYSA-K

Melting Point

100 °C

Purity

99%+

Solubility

Slightly soluble in water

Appearance

White to off-white crystalline

Storage

Store below +30 °C

Assay

≥99.9% trace metals basis

Color Form

powder

Composition

Rh, 38-43.5%

Empirical Formula

RhCl3 x n H2O

Metal Content

Unit Size

1g; 5g

Application

Rhodium(III) chloride hydrate is a versatile catalyst essential in various chemical processes. This red-brown to dark brown crystalline powder is easily soluble in water, hydrochloric acid, alcohol, and alkali solutions, making it suitable for a broad range of applications. Its primary purpose is to act as a catalyst in the synthesis of acetic acid and the isomerization of alkenes. Additionally, it plays a crucial role in the reduction of aromatic rings, oxidation of alkenes, and hydration of acetylene. It is involved in the hydrosilylation of α,β-unsaturated esters, forming dimethylketene trimethylsilyl acetals, and is used alongside "pybox" for the asymmetric hydrosilylation of ketones. Furthermore, Rhodium(III) chloride hydrate is important in carbon-carbon bond-forming reactions and serves as a hydrogenation catalyst in synthetic chemistry. It is also instrumental in the production of transition metal complexes, some of which are employed as reagents in the decarbonylation and dehydration reactions of fatty acids to alkenes. However, when exposed to strong heat, it can lose its crystal water, becoming insoluble and decomposing into rhodium and chlorine.

February 11, 2025

An Essential Catalyst for Innovative Research

Rhodium(III) chloride hydrate was crucial in our lab's hydrogenation reactions. Its excellent solubility in water helped streamline our synthetic chemistry processes. This catalyst's versatility enhances our research efficiency with minimal product loss. Highly recommended!